package cn.cvs.utils;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.InputStream;

public class MyBatisUtil {
    private static SqlSessionFactory factory;

    static {
            try {
                InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
                factory = new SqlSessionFactoryBuilder().build(is);
            } catch (IOException e) {
                e.printStackTrace();
            }
    }

//    创建并返回SqlSession实例
    public static SqlSession createSqlSession(){
        return factory.openSession(false);
    }

//    关闭SqlSession
    public static void closeSqlSession(SqlSession sqlSession){
        if (sqlSession!=null){
            sqlSession.close();
        }
    }
}

